diff --git a/src/main/java/de/maishai/ast/records/Expression.java b/src/main/java/de/maishai/ast/records/Expression.java
index 3035ea5..7cd0f75 100644
--- a/src/main/java/de/maishai/ast/records/Expression.java
+++ b/src/main/java/de/maishai/ast/records/Expression.java
@@ -1,5 +1,5 @@
 package de.maishai.ast.records;
 
 
-public sealed interface Expression extends Node permits Binary, BoolLiteral, CharLiteral, Id, IntLiteral, MethodCall, New {
+public sealed interface Expression extends Node permits Binary, BoolLiteral, CharLiteral, Id, IntLiteral, MethodCall, New, Unary {
 }